2009554781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 2309852160

約数和(自身を除く): 300297379

約数列:

[1, 13, 23, 61, 239, 299, 461, 793, 1403, 3107, 5497, 5993, 10603, 14579, 18239, 28121, 71461, 110179, 137839, 189527, 335317, 365573, 646783, 1432327, 2534117, 4359121, 6720919, 8408179, 32943521, 87371947, 154581137, 2009554781]

約数ペア:

[(1, 2009554781), (13, 154581137), (23, 87371947), (61, 32943521), (239, 8408179), (299, 6720919), (461, 4359121), (793, 2534117), (1403, 1432327), (3107, 646783), (5497, 365573), (5993, 335317), (10603, 189527), (14579, 137839), (18239, 110179), (28121, 71461)]